1. An L J, Hu R F, Zhang Q H. Finite p-groups with a minimal non-abelian subgroup of index p (IV). ArXiv:1310.5503
2. Berkovich Y. Groups of Prime Power Order I. Berlin-New York: Walter de Gruyter, 2008
3. Fang X G, An L J. A classification of finite meta hamiltonian p-groups. ArXiv:130.5509
4. Hall M, Senior J K. The Groups of Order 2n (n ⩽ 6). New York: MacMillan, 1964
5. Huppert B. Endliche Gruppen I. Berlin: Springer-Verlag, 1967